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Table T22. Concentration of oxygen, argon, nitrogen, carbon monoxide, and hydrogen in mud gas in Hole C0020A, analyzed during on-line mud-gas monitoring using the process gas mass spectrometer (PGMS).
Depth MSF
(m)
|
Concentration of on-line monitored mud gas (%)
|
|
Oxygen
|
Argon
|
Nitrogen
|
Carbon
monoxide
|
Hydrogen
|
|
1005.5
|
20.8
|
0.93
|
78.1
|
2.4E–03
|
2.0
|
|
1006
|
19.8
|
0.87
|
70.6
|
6.4E–04
|
1.2
|
|
1006.5
|
19.7
|
0.87
|
69.6
|
7.0E–04
|
1.1
|
|
1007
|
20.0
|
0.87
|
69.7
|
6.2E–04
|
1.2
|
|
1007.5
|
19.8
|
0.87
|
70.8
|
4.4E–04
|
1.2
|
|
1008
|
19.8
|
0.87
|
70.4
|
3.4E–04
|
1.1
|
|
1008.5
|
19.6
|
0.88
|
70.1
|
6.1E–04
|
1.1
|
|
1009
|
19.8
|
0.86
|
70.3
|
4.7E–04
|
1.1
|
|
1009.5
|
19.5
|
0.86
|
69.2
|
3.8E–04
|
1.2
|
|
1010
|
20.0
|
0.86
|
70.4
|
7.3E–04
|
1.1
|
|
1010.5
|
19.7
|
0.87
|
70.1
|
3.9E–04
|
1.2
|
|
1011
|
19.9
|
0.86
|
69.9
|
6.0E–04
|
1.2
|
|
1011.5
|
19.6
|
0.87
|
70.9
|
6.9E–04
|
1.1
|
|
1012
|
19.5
|
0.86
|
68.9
|
6.9E–04
|
1.3
|
|
1012.5
|
19.8
|
0.86
|
70.5
|
8.4E–04
|
1.1
|
|
1013
|
19.8
|
0.87
|
70.0
|
1.0E–03
|
1.2
|
|
1013.5
|
19.8
|
0.87
|
71.2
|
6.3E–04
|
1.1
|
|
1014
|
19.7
|
0.86
|
71.4
|
1.1E–03
|
1.2
|
|
1014.5
|
19.8
|
0.88
|
70.0
|
8.7E–04
|
1.1
|
|
1016
|
19.7
|
0.88
|
71.6
|
1.2E–03
|
1.2
|
|
1016.5
|
19.7
|
0.87
|
70.5
|
1.1E–03
|
1.1
|
|
1017
|
19.6
|
0.86
|
71.1
|
9.7E–04
|
1.0
|
|
1017.5
|
19.7
|
0.87
|
70.6
|
1.1E–03
|
1.1
|
|
1018
|
19.7
|
0.86
|
71.3
|
1.2E–03
|
1.1
|
|
1018.5
|
19.6
|
0.88
|
71.1
|
1.2E–03
|
1.1
|
|
1019
|
19.7
|
0.86
|
71.4
|
1.2E–03
|
1.1
|
|
1019.5
|
19.9
|
0.86
|
71.0
|
1.3E–03
|
1.1
|
|
1020
|
19.6
|
0.87
|
70.7
|
1.2E–03
|
1.1
|
|
1020.5
|
19.6
|
0.88
|
70.3
|
1.3E–03
|
1.2
|
|
1021
|
19.7
|
0.86
|
71.3
|
1.4E–03
|
1.1
|
|
1021.5
|
19.8
|
0.87
|
71.0
|
9.5E–04
|
1.2
|
|
1022
|
19.9
|
0.88
|
70.6
|
5.0E–04
|
1.2
|
|
1022.5
|
19.8
|
0.87
|
70.4
|
4.2E–04
|
1.1
|
|
1023
|
19.8
|
0.87
|
70.2
|
4.7E–04
|
1.1
|
|
1023.5
|
19.9
|
0.89
|
70.6
|
4.1E–04
|
1.2
|
|
1024
|
19.9
|
0.88
|
69.9
|
5.8E–04
|
1.1
|
|
1024.5
|
19.8
|
0.87
|
71.0
|
7.3E–04
|
1.2
|
|
1025
|
19.8
|
0.89
|
70.6
|
5.6E–04
|
1.3
|
|
1025.5
|
20.1
|
0.87
|
71.7
|
5.2E–04
|
1.3
|
|
1026
|
19.8
|
0.86
|
70.8
|
4.0E–04
|
1.2
|
|
1026.5
|
19.9
|
0.89
|
70.7
|
6.4E–04
|
1.2
|
|
1027
|
19.8
|
0.87
|
70.3
|
7.3E–04
|
1.1
|
|
1027.5
|
20.0
|
0.88
|
70.1
|
6.9E–04
|
1.3
|
|
1028
|
20.0
|
0.88
|
70.6
|
6.1E–04
|
1.1
|
|
1028.5
|
19.9
|
0.86
|
70.3
|
4.9E–04
|
1.2
|
|
1029
|
19.9
|
0.87
|
70.7
|
7.8E–04
|
1.1
|
|
1029.5
|
19.8
|
0.88
|
70.8
|
7.3E–04
|
1.2
|
|
1030
|
19.7
|
0.86
|
70.5
|
6.8E–04
|
1.2
|
|
1030.5
|
19.7
|
0.87
|
71.7
|
7.6E–04
|
1.1
|
|
1031
|
19.9
|
0.88
|
71.0
|
8.0E–04
|
1.2
|
|
1031.5
|
19.9
|
0.87
|
70.5
|
7.1E–04
|
1.2
|
|
1032
|
19.7
|
0.87
|
70.8
|
5.8E–04
|
1.2
|
|
1032.5
|
19.6
|
0.89
|
70.8
|
6.4E–04
|
1.2
|
|
1034.5
|
19.8
|
0.87
|
71.2
|
7.9E–04
|
1.2
|
|
1035
|
19.7
|
0.89
|
71.1
|
8.7E–04
|
1.1
|
|
1035.5
|
19.8
|
0.86
|
71.3
|
8.3E–04
|
1.2
|
|
1044
|
19.9
|
0.85
|
72.9
|
6.1E–04
|
1.2
|
|
1044.5
|
19.6
|
0.88
|
71.0
|
8.9E–04
|
1.2
|
|
1045
|
19.7
|
0.89
|
71.2
|
1.0E–03
|
1.1
|
|
1045.5
|
19.7
|
0.87
|
70.3
|
1.0E–03
|
1.2
|
|
1046
|
19.8
|
0.87
|
71.1
|
9.2E–04
|
1.2
|
On-line monitoring of mud gas by PGMS only started at 1005.5 m MSF because of insufficient gas flow to the instrument during the first day of mud-gas monitoring (15 August 2012). Only a portion of this table appears here. The complete table is available in ASCII.
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